package org.example.lotterysystem.dao.mapper;

import org.apache.ibatis.annotations.*;
import org.example.lotterysystem.dao.dataobject.ActivityUserDO;

import java.util.List;

@Mapper
public interface ActivityUserMapper {
    @Insert("<script> insert into activity_user (activity_id, user_id, user_name, status) " +
            "values <foreach collection='items' item='item' index='index' separator=','> " +
            "(#{item.activityId}, #{item.userId}, #{item.userName}, #{item.status}) " +
            "</foreach> </script>")
    @Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
    int batchInsert(@Param("items") List<ActivityUserDO> activityUserDOList);

    @Select("select * from activity_user where activity_id = #{activityId}")
    List<ActivityUserDO> selectByActivityId(@Param("activityId") Long activityId);

    @Select("<script> select * from activity_user where activity_id = #{activityId} and user_id in " +
            "<foreach collection='userIds' item='userId' open='(' separator=',' close=')'> " +
            "#{userId} </foreach> </script>")
    List<ActivityUserDO> batchSelectByAUIds(@Param("activityId") Long activityId,
                                            @Param("userIds") List<Long> userIds);

    @Update("<script> update activity_user set status = #{status} where activity_id = #{activityId} and user_id in " +
            "<foreach collection='userIds' item='userId' open='(' separator=',' close=')'> " +
            "#{userId} </foreach> </script>")
    void batchUpdateStatus(@Param("activityId") Long activityId,
                           @Param("userIds") List<Long> userIds,
                           @Param("status") String status);
}
